Hum And Noise; Specifications; Audio; Video - Rotel RSX-03 Owner's Manual

Hum and Noise

In most installations, the RSX-03 will provide
extremely quiet operation. However, in any
audio/video system with multiple components,
there is the potential for hum and noise to be
picked up and amplified by the system. There
are two types of hum and noise. The first is a
higher pitched "interference", often caused
by faulty light dimmer switches or flourescent
fixtures. The second is a low pitched 50 Hz
or 60 Hz "hum", usually the result of ground
loops. Ground loops occur with multiple elec-
trical paths back to the ground connector on
the AC power outlet, for example, when two
components are plugged into a wall outlet
and connected together with audio or video
signal cables. Ground loop problems can be
difficult to troubleshoot and/or solve.
If you hear a higher pitched noise
or "buzz":
• Move from room to room turnng off and
on all flourescent lighting fixtures. If the
noise disappears, you have identified the
faulty fixture. Replacing the bulb or ballast
may solve the problem.
• Test all lighting dimmers in the house. If
turning off a dimmer cures the noise, you
have identified the faulty dimmer.
If you hear a low pitched up, test for
ground loops:
• If the noise occurs only with a turntable,
make sure the ground wire from the turn-
table is properly connected to the ground
screw on the back of the RSX-03.
• Try removing one component at a time
from the system, by removing all audio
and video cables to the component. If the
noise stops, that component may be intro-
ducing a ground loop into the system.
• Contact your authorized Rotel retailer for
expert advice on solving ground loop
problems. Plugging all of the components
into a dedicated AC power strip with line
filtering may help. The use of special iso-
lation power supply or transformer may
be required.
• Do not defeat the ground pin on the
power cords from any component with a
three-prong AC plug.
41
Specifications

Audio

Continuous Amplifier Power
(five channels driven)
40 watts/ch (20-20k Hz, <0.05% THD, 8 ohms)
Continuous Amplifier Power
(two channels driven)
50 watts/ch (1kHz, <1.0% THD, 8 ohms, DIN)
Total Harmonic Distortion
<0.09%
Intermodulation Distortion (60 Hz:7 kHz)
<0.05%
Frequency Response
10 Hz – 120 kHz, ±3dB (analog bypass)
10 Hz – 95 kHz, ±3dB (digital input)
20 Hz – 15 kHz, ±3dB (phono input)
Signal to Noise Ratio (IHF A-weighted)
95dB (line analog bypass)
92dB (Dolby Digital, dts) 0dBFs
70dB (Phono analog bypass)
Input Sensitivity/Impedance
Line Level: 200 mV/100K ohms
Phono Level: 2.5 mV/47K ohms
Preamp Output Level/Output Impedance
1.0 V / 1K ohms
Tone (Bass/Treble)
±10dB at 50 Hz/15 kHz
Decodable Digital Input Signals
Dolby Digital, Dolby Digital EX, DTS, DTS-ES,
LPCM (up to 96K), HDCD, MP3, MPEG Multichan-
nel

Video

Frequency Response
3 Hz – 10 MHz, ± 3dB
Signal to Noise Ratio
45dB
Input Impedance
75 ohms
Output Impedance
75 ohms
Output Level
1.0 volt

FM Tuner

Usable Sensitivity
14.2dBf
Signal to Noise Ratio (at 65dBf)
70dBf
Harmonic Distortion (at 65dBf)
0.03%
Stereo Separation (1 kHz)
45dB
Output level
1 V
Antenna Input
75 ohms unbalanced

AM Tuner

Sensitivity
500 µV/m
Signal to Noise Ratio
40dBf
Output level
250 mV
Antenna Input
Loop Antenna

General

Power Consumption
250 watts
78 watts (idle)
37 watts (standby)
Power Requirements (AC):
120 volts, 60Hz (USA version)
230 volts, 50Hz (CE version)
Weight
11.2 Kg/25.4 lb.
Dimensions (W x H x D)
435 x 121 x 410 mm
17.2" x 4.8" x 16.40"
Front Panel Height
(feet removed/for rack mount)
109 mm / 4.3"
When sizing openings in custom cabinets, mea-
sure the unit to be installed and/or allow at least
1 mm clearance on all sides for unit to unit toler-
ances.
All specifications are accurate at the time of print-
ing. Rotel reserves the right to make improve-
ments without notice.
Rotel and the Rotel HiFi logo are registered trade-
marks of The Rotel Co, Ltd., Tokyo, Japan.
English